I applied online. The process took 2 months. I interviewed at Heluna Health (City of Industry, CA) in Jul 2023
Interview
applied online. this process took 2 months. first round: behavior + SQL with 2 panels second/final round: experiences on resume/background with 1 direct of IT. Second interview was awful. He is authoritarian and mean. HR team suddenly ghosted after final.
Interview questions [1]
Question 1
what is the difference between UNION and UNION ALL? what is correct order of HAVING, ORDER BY, GROUP BY?